SP 17-50mm F/2.8 XR VC Di II LD Aspherical (IF) (B005) - Tamron


SP 17-50mm F/2.8 XR VC Di II LD Aspherical (IF) (B005) - Tamron


SP 17-50mm F/2.8

XR Di II VC LD Aspherical [IF] (Model B005)

Thank you for purchasing the Tamron lens as the latest addition to your photographic

equipment. Before using your new lens, please read the contents of this Owner’s Manual

thoroughly to familiarize yourself with your lens and the proper photographing

techniques for creating the highest quality images possible. With proper handling and

care, your Tamron lens will give you many years of photographing beautiful and exciting



1. Lens hood

2. Hood attaching alignment mark

3. Hood attaching indicator

4. Filter ring

5. Hood attaching bayonet ring

6. Focusing ring

7. Distance scale

8. Distance index

9. Zooming ring

10. Focal length scale

11. Zoom lock switch (Fig. 3 & 4)

12. VC (Vibration Compensation) switch

13. AF/MF switch (Fig. 5 & 6)

14. Zoom index mark

15. Lens attachment mark

16. Lens mount/Lens mount contacts


* How to mount the lens

Remove the rear cap of the lens. Align the lens attachment mark on the lens barrel with

its counterpart on the camera mount and insert the lens.

In case of Nikon mount, rotate the lens counter-clockwise until it clicks into the locking

position. In case of Canon mount, rotate the lens clockwise until it clicks into the locking


* How to detach the lens

Press the lens release button on the camera down.

In case of Nikon mount, rotate the lens clockwise until it unlocks from the camera.

In case of Canon mount, rotate the lens counter-clockwise until is unlocks from the


*For further details, please read the instruction manual of your camera.


Switch the AF/MF switch on the lens to AF (Fig. 5). In case of Nikon camera with the

focus mode selector dial, set the focus mode to “S” or “C”, and then set the AF/MF

switch on the lens side to “AF”. Press the shutter button lightly while viewing through the

camera’s viewfinder. The lens focuses automatically. An in-focus mark will light when

lens focuses on the main subject sharply. Press the shutter button further to photograph.

* When set on AF mode, interfering with the focusing ring may cause serious damage to

the lens mechanism.

* The distance scale is marked for guidance purposes. The actual focal point may slightly

differ from the distance marked on the focal length index.


Switch the AF/MF switch on the lens to MF (Fig. 6). In case of Nikon camera with the

focus mode selector dial, set the focus mode to “M”, and then set the AF/MF switch on

the lens side to “MF”. Focus manually by rotating the focusing ring while viewing

through the camera’s viewfinder. The main subject in the viewfinder will be sharp when

the lens id focused correctly.

* Even when in MF mode, turning the focusing ring while pressing the shutter button

halfway, the focus aid function lamp lights up when the picture is in focus.

* At infinity, make sure the image in the viewfinder appears sharp. The infinity position

is made with certain allowances to insure proper focus under a variety of conditions.

* For further details, please read the instruction manual of your camera.

VC Mechanism

VC (Vibration Compensation) is a mechanism which reduces the image blur caused by

hand-held shooting. When using the VC, pictures can be taken at shutter speeds up to a

maximum of 4 stops slower than the speed when the VC is not used.

*Based on the company’s standard measurement. Also, the correction of image blur

differs depending on the conditions during picture taking and the person using the camera.

* How to use VC mechanism

VC can be used in AF or MF mode.

1. Set the VC switch on.

*When VC is not used, set switch off.

2. Press the shutter button halfway to verify the effect of the VC. When the shutter button

is pressed halfway, it takes about 1 second for the VC to provide a stable image.

With the VC mechanism, there are no occasions when the image in the viewfinder blurs

after the shutter button is pressed down halfway.

* The VC can be effective for hand-held shots under the following conditions:

-Dimly lit locations

-Scenes where flash photography is forbidden

-Situations where your footing is uncertain

-Taking continuous shots of moving subjects

* The VC may not be able to give full effect in the following cases:

-When a photograph is taken from a fast moving vehicle

-Shooting during the excessive movement of the camera

-Turn the VC switch OFF when taking pictures with the bulb setting or during long

exposures. If the VC switch is ON, the VC mechanism may introduce errors.

*Please refer to the “Caution when using B003” enclosed with your lens for the cautions

for each mount.

-With the VC mechanism, there are occasions that the image in the viewfinder blurs right

after the shutter button is pressed down halfway, but this is not a malfunction.

-When the VC is ON, the number of images recordable is reduced due to the power used

from the camera.

-When the VC is ON, immediately after the shutter button is pushed halfway down and

approximately 2 seconds after a finger releases the shutter button, the camera will “click”.

This sound is the VC’s locking mechanism activating, not malfunctioning.

-Turn the VC switch OFF when using a tripod.

-After releasing the shutter button, the VC will continue to operate for about 2 seconds

until the locking mechanism activates.

-When the lens is removed from the camera while VC is activating, the lens may make

clicking sound when the lens is subjected to jolt. This is not a malfunction. Re-attach the

lens to the camera and turn the power ON. The sound should stop.

-The VC activates while the “release” button is pushed halfway down. (It is activated 2

seconds after the shutter button is released.)

-VC can be used in AF or MF mode.


Rotate zooming ring (9) of the lens while viewing through the camera’s viewfinder and

compose your image at the chosen focal length.


Zoom lock switch mechanism prevents lens barrels from extending toward long focal

length by their own weight while hanging from shoulders. Activate the switch at 18mm

setting to stop the lens barrels from rotating and extending.

How to activate the zoom lock switch mechanism

1. Locking: Set the lens to the 18mm position. Move the switch (11) toward the

camera, until the index lines align with each other. The lens barrel is now locked

in position and does not rotate or extend by its own weight.

2. Releasing: Push the switch away from your camera. The lens barrel is now free to

rotate and extend for zooming.

-The zoom lock switch cannot be activated unless the lens is set to the 18mm position.

Do not force the lock switch or try to rotate the lens barrel when locked.

-The lens can be used at 18mm setting for picture-taking even when locked by the switch.

-The zoom lock mechanism is made to prevent the lens barrel from extending while

carried around on shoulder. The lens may change its focal length during a long exposure

if the lens is used in a low or high angle position.


A bayonet-type lens hood is provided as standard equipment. We recommend shooting

with the hood attached whenever possible as the lens hood eliminates stray light, which is

harmful to the picture. However, please be aware of the precautions stated in the next

section when your camera is equipped with a built in flash.

Attaching the Lens Hood

Align Hood attaching alignment mark (2) on the hood with the corresponding index mark

(5) or the top of the index line of the distance scale of the lens. Press the hood lightly.

The lens hood will be secure when the mark “TAMRON O” is at the top. When attaching

the lens hood, hold the focus and zoom control rings, so they are not rotated


-Pay particular attention to align the hood attaching indexes when using zoom lenses

including wide-angle setting. Improper attachment of a hood on a wide-angle zoom lens

may cause large shadowed areas in your pictures.

Stowing lens hood on the lens

Reverse the lens hood. Point the lens toward the opening, and then align the hood

attaching index on the lens with the “TAMRON O” alignment on the hood.

Turn the hood clockwise until the alignment mark is at the top to set it.


-The optical design for Di-II takes into consideration the various features of digital single

reflex cameras. However, due to the configuration of the digital single reflex cameras,

even when auto focus accuracy is within specifications, the focal point may be a little

forward or behind the optimum point when shooting with auto focus under some


-The image circle of Di-II lenses are designed to match the digital SLR cameras using the

image sensors equivalent to APS-C (approx. 15.5x23.2mm). Do not use Di-II lenses with

cameras using image sensors larger than APS-C. Using Di-II lenses with such cameras

may cause vignetting on the image.

-The Tamron lenses described here employ an internal focusing (IF) system. Because of

the characteristics of this optical design, the angles of view at distances other than infinity

are wider than that of the lenses applying an ordinary focusing system.

-When the built-in-flash on the camera is used, adverse photographic phenomena such as

corner illumination fall-off or vignetting at the bottom part of the image may be observed,

especially in wide angle ranges. This is due to the inherent limitation of the coverage of

the built-in-flash, and/or the relative position of the flash to the edge of the lens barrel

which causes shadows on the image. It is strongly recommended to use a suitable

separate flash unit provided by the camera manufacturer for all flash photography. For

further details, please read the “built-in-flash” article on the instruction manual of your


-When using the lens in the telephoto focal range, please be careful of camera shake. To

reduce blur, turn the VC (Vibration Compensation) switch on. To reduce image blue

without using the VC function, follow these steps.

To avoid camera shake on digital cameras, use higher ISO settings and for film cameras,

use higher ISO film to obtain higher shutter speeds. Using a tripod or monopod is also


When hand-holding the camera to take pictures, stand still opening your legs slightly

apart, hold your elbows in firmly against your chest, and hold the camera firmly against

your face. If possible, lean against something to steady yourself or place the camera on

something to secure the hold. Especially when hand-holding your camera, you will be

steadier if you hold your breath while your press the shutter button down gently and


-When set on AF mode, interfering with the focusing ring may cause serious damage to

the lens mechanism.

-Certain models may indicate the maximum and minimum aperture values of the lens in

approximate numbers. This is inherent to the design of the camera and not an indication

of an error.

-Please be aware that there is no infrared index line on any models listed in this owner’s

manual, and therefore, practically no black-and-white infrared file can be used with these


-When using a special filter such as a PL filters, use low profile filters. The thick rim of a

normal filter may cause vignetting.


-Avoid touching the glass element surface. Use photographic lens cloths or blowers to

remove dust from the lens element surface. When not using the lens, always place a lens

cap on it for protection.

-Use a lens cleaning tissue or lint cloth with a drop of cleaning solution to remove

fingerprints or dirt on the glass lens surface with a rotary motion from the center to the

edge. Use a silicone cloth to clean your lens barrel only.

-Mildew is an enemy of your lens. Clean the lens after shooting near water or in any

humid place. Store your lens in a clean, cool, dry place. When storing the lens in a lens

case, store it with commercially available drying agents such as silicagel, and change the

agent occasionally. If you find mildew on your lens, consult an authorized repair shop or

nearby photographic store.

-Do not touch the lens-camera interface contacts since dust, dirt and/or stains may cause a

contact failure between the lens and camera.

-When using your equipment [camera(s) and lens(es)] in an environment where the

temperature changes from one extreme to the other, make sure to put your equipment

temporarily in a case or plastic bag for a length of time in order for the equipment to go

through a gradual temperature shift. This will reduce potential equipment trouble.

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